Clayton, California Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Clayton, California is 10,962 as of the 2023 American Community Survey, making it the 475th-largest city in California. The median household income is $172,226, the median home value is $1,017,300, and the median age is 44.3.
The population has declined 0.2% since 2010 (10,958 → 10,933).
10,962
Population
2855
People / sq mi
$172,226
Median Income
$1,017,300
Median Home Value
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Clayton covers 3.8 sq mi of land at 2855 people per square mile.
About Clayton, CA
The poverty rate is what most separates Clayton from the typical city: 1.4% of residents live below the federal poverty line, against 12.4% nationally. Clayton is a city in California with a population of 10,962.
Income is a real outlier — the median household pulls in $172,226, putting Clayton near the top of US cities. Hardship is rare relative to US cities: a poverty rate of just 1.4%, below the national 12.4%. Housing is expensive: the median home is worth $1,017,300, with typical rent around $3,501.
Educational attainment is on the higher side for US cities — 58.8% of adults hold a four-year degree, above the national 35.0%. Remote work is on the higher side at 20.3%, above the national 14.0%, and the average commute runs about 39 minutes each way.
Clayton city Population History (2010-2024)
The city of Clayton city had a population of 10,958 in 2010 and 10,933 in 2024, a -0.2% growth over 14 years. The peak was 12,265 in 2019. Average annual growth rate: 0.03%.
10,933
Population (2024)
10,958
Population (2010)
12,265
Peak (2019)
0.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,958 |
| 2011 | 11,148 |
| 2012 | 11,271 |
| 2013 | 11,481 |
| 2014 | 11,667 |
| 2015 | 11,840 |
| 2016 | 12,008 |
| 2017 | 12,127 |
| 2018 | 12,196 |
| 2019 | 12,265 |
| 2020 | 11,061 |
| 2021 | 10,983 |
| 2022 | 10,881 |
| 2023 | 10,853 |
| 2024 | 10,933 |
Race & Ethnicity
| White | 70.1% |
| Black or African American | 0.4% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.5% |
| Two or More Races | 0.0% |
Economy & Income
$172,226
Median Household Income
$73,228
Per Capita Income
1.4%
Poverty Rate
4.4%
Unemployment Rate
Housing
$1,017,300
Median Home Value
$3,501
Median Rent
90.3%
Owner-Occupied
Education
98.5%
High School+
58.8%
Bachelor's+
Commute
2.3%
Drive Alone
66.3%
Public Transit
20.3%
Work From Home
39.0 min
Avg Commute
Community Profile
22.3%
Foreign Born
85.8%
Non-English at Home
3.8%
Veterans
8.7%
With Disability
98.4%
Health Insurance
98.5%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.2% |
| Finance, Insurance & Real Estate | 20.1% |
| Information | 8.8% |
| Education, Health Care & Social Services | 8.2% |
| Arts, Entertainment & Food Services | 8.2% |
| Retail Trade | 5.6% |
| Construction | 5.3% |
| Public Administration | 4.2% |
| Manufacturing | 4.0% |
| Transportation & Warehousing | 2.2% |
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Frequently Asked Questions
Clayton, California has a population of 10,962 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 475th-largest city in California.
The median household income in Clayton, California is $172,226, with 1.4% of residents living below the federal poverty level.
The median home value in Clayton, California is $1,017,300, with median monthly rent at $3,501 and a homeownership rate of 90.3%.
The median age in Clayton, California is 44.3 years. The population is 50.2% male and 49.8% female.
The population has declined 0.2% since 2010 (10,958 → 10,933).
Where to stay in Clayton
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.